Doctor profile · Federal record
Dr. Katherine Karczewski, APRN
Nurse Practitioner · Summit, WI
- NPI 1447661673
- 12 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
36500 Aurora Dr
Summit, WI 530664899
(262) 434-1000
fax (262) 434-5050 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- September 26, 2023
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Wisconsin #5788
- Medicaid
- WI #100037889
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447661673. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
171
Distinct HCPCS
4
Medicare allowed
$7,944
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
51798 |
Ultrasound measurement of bladder capacity after voiding | 69 | 53 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 47 | 42 | $72 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 30 | 30 | $91 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 25 | 24 | $46 |
In context: peer comparison
Among 11 peers in Summit Nurse Practitioner, average services per provider: 103. This provider delivers 1.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
215
Patients
171
Total drug cost
$1,846
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 55 | 27 | $681 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 30 | 30 | $89 |
| Alfuzosin Hcl ER (Alfuzosin Hcl) | Brand | 28 | 14 | $634 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 23 | 23 | $111 |
| Tramadol Hcl | Generic | 22 | 22 | $36 |
| Cephalexin | Generic | 16 | 14 | $127 |
| Ciprofloxacin Hcl | Generic | 15 | 15 | $101 |
| Levofloxacin | Generic | 14 | 14 | $42 |
| Amoxicillin | Generic | 12 | 12 | $25 |
Frequently asked questions
What is Dr. Katherine Karczewski's medical specialty?
Dr. Katherine Karczewski practices Nurse Practitioner in Summit, WI.
Where does Dr. Katherine Karczewski practice?
Dr. Katherine Karczewski practices at 36500 Aurora Dr, Summit, WI 530664899. Office phone: 2624341000.
What is Dr. Katherine Karczewski's NPI?
Dr. Katherine Karczewski's National Provider Identifier (NPI) is 1447661673, issued by NPPES.
What procedures does Dr. Katherine Karczewski commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound measurement of bladder capacity after voiding (HCPCS 51798); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.